Clear listings, consistent grading and verified trading all in one B2B marketplace
Callisto is a global B2B marketplace for trading wholesale used electronics at scale.
You can buy resale-ready, used, refurbished and damaged tablets from leading manufacturers, with every listing showing clear condition detail so you have confidence in what you’re buying before you place an order.
Every tablet is sourced directly from OEMs, carriers and retailer programs, then tested and graded using Alchemy’s propriety grading systems before it’s listed.
You can buy though fixed-price catalogue listings, submit offers for bulk quantities or take part in live and silent auctions – all within the same platform.
Whether you’re sourcing current-generation tablets or legacy models for resale or refurbishment, Callisto supports repeat buying across 60+ global markets.
Source high-demand tablets across a wide range of grades and models through a wholesale marketplace designed for the secondary tech trade.
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Apple iPad
Popular models across multiple generations, storage options and grades, widely used across resale, education and enterprise programs.
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iPad Pro
Premium tablets with strong demand in creative, professional and enterprise markets, available across mixed grades.
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Samsung Galaxy Tab
Android tablets listed across multiple grades and model ranges to support global Android demand.
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iPad Air
A widely traded mid-range model that balances performance and price across wholesale programs.
Apple iPad
Popular models across multiple generations, storage options and grades, widely used across resale, education and enterprise programs.
iPad Pro
Premium tablets with strong demand in creative, professional and enterprise markets, available across mixed grades.
Samsung Galaxy Tab
Android tablets listed across multiple grades and model ranges to support global Android demand.
iPad Air
A widely traded mid-range model that balances performance and price across wholesale programs.
You can use Callisto when you need to source used, refurbished, damaged and mixed lots. Our wholesale tablets come directly from our trusted OEM, carrier and retailer partnerships.
Callisto delivers globally:
3,500+
wholesale buyers registered globally
2m+
devices traded each year
60+
markets reached worldwide
This scale supports steady supply and consistent demand across major tablet models.
You trade directly on a secure B2B electronic marketplace with full KYC compliance, Escrow-secured payments and clear grading standards across every listing.
How to buy tablets with Callisto
We bring multiple buying routes together inside one B2B electronic marketplace. You can choose how to buy tablet stock based on volume, grade mix and business strategy.
Catalogue listings
Buy wholesale tablets instantly through fixed-price catalogue listings
Electronics auctions
Participate in live auctions with real-time bidding or silent auctions where bids remain hidden
Make an offer
Submit offers for negotiated bulk purchases
Your questions answered
Discover how Callisto can simplify and enhance your wholesale trading experience.
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Yes, every device is securely data wiped and tested before being graded and listed.
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You get access to wholesale tech through one B2B electronic marketplace with consistent grading, flexible buying options and global supply.
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Devices are graded based on cosmetic condition and functionality. Grades are applied consistently so you can compare listings easily.
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Inventory ships from global locations across Europe, UK, Americas, MEA and JAPAC.
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You’ll be trading alongside other wholesalers, refurbishers, resellers, retailers, repair specialists and enterprise buyers operating at scale.
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Yes. You can source latest and legacy models, mixed grades, bulk lots, and repeat SKUs depending on how you trade.
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If you are not satisfied with your purchase, you can raise a claim by sharing relevant details and supporting information. We will review the claim in line with our grading criteria and the agreed specifications.
Ready to learn how to trade with Callisto?
Book a demo to explore our platform and experience the benefits of smart trading.